VARIETAL NAME: 'Nervosa' (large leaf)
Taxonomical and basic information
Varietal name:
'Nervosa' (large leaf)
Identification/ Accession n.:
IT23_00472
Ingroup:
Morus sp.
Species:
Morus sp.
Origin:
Italy
Obtained:
former Sericulture Station of Ascoli Piceno (IT) , 1980
Morphological characteristics
Trunk:
Trunk circumference (cm):
Trunk colour:
Greyish brown
Shoots:
Colour of one-year old shoot:
Greenish brown
Lenticel density:
Medium
Lenticel shape:
Elliptical
Buds:
Bud shape:
Ovate
Bud colour:
Medium brown
Bud size:
medium
Leaves:
Phyllotaxis:
Leaf shape:
Simple&lobed
Average leaf size: length (cm):
16.4
Average leaf size: width (cm)
11.4
Leaf size ratio:
Medium (1.3-1.5)
Petiole size (cm):
6.1
Petiole range:
Long (41-70 mm)
Shape of leaf base:
Cuneate to truncate
Shape of leaf apex:
Acute
Leaf blade tip:
Acuminate
Leaf blade margin:
Serrate
Hairiness:
Glabrous
Glossiness:
Matte
Reproductive structures
Sexual dimorphisem:
Monoecious
Inflorescence type:
female&male&polygamous
Inflorescence size:
Female infl. length (mm):
5.8
Female infl. diameter (mm):
4.0
Female infl. stalk length (mm):
7.8
Male infl. length (mm):
22.5
Male infl. diameter (mm):
6.0
Male infl. stalk length (mm):
9.7
Polygamous infl. length (mm):
Polygamous infl. diameter (mm):
Polyg. infl. stalk length (mm):
Infructescence:
Fruit weight (g):
Infructescence length (mm):
Infructescence width (mm):
Length of peduncle:
Medium
Infructescence colour:
Taste:
Infructescence shape:
Phenological descriptors
Date of bud burst (week):
Flowering date (week):
Date of infructescence ripening (week):
Uniformity of infructescence ripening:
Abundant autumn colouring (week):
Growth and yield attributes
Vigour:
Lenght (cm):
158.2
Number of lateral shoots:
1.9
Lenght of internode (cm):
4.8
Leaf No./meter:
Weight of 100 fresh leaves (g):